package com.dzu.gulimall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.dzu.common.to.es.SkuEsModel;
import com.dzu.gulimall.search.config.ElasticSearchConfig;
import com.dzu.gulimall.search.constant.EsConstant;
import com.dzu.gulimall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author by ZhaoDong
 * @Classname ProductSaveServiceImpl
 * @Description
 * @Date 2021/6/17 20:44
 */
@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {

    @Qualifier("esRestClient")
    @Autowired
    RestHighLevelClient restHighLevelClient;


    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {

        // 保存到es
        // 1、给es中建立索引.product.建立好映射关系
        // 2、给es中保存数据 BulkRequest  RequestOptions
        BulkRequest bulkRequest = new BulkRequest();
        skuEsModels.forEach(item -> {
            // 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            String s = JSON.toJSONString(item);
            indexRequest.source(s, XContentType.JSON);
            bulkRequest.add(indexRequest);
        });
        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, ElasticSearchConfig.COMMON_OPTIONS);

        // TODO 如果批量错误
        boolean b = bulk.hasFailures();
        List<String> collect = Arrays.stream(bulk.getItems()).map(BulkItemResponse::getId).collect(Collectors.toList());
        log.info("商品上架完成：{},返回数据：{}", collect, bulk.toString());
        return b;
    }
}
